#include <bits/stdc++.h>
using namespace std;
struct huge{
	#define N_huge 250000
	#define base 100000000
	static char s[N_huge*10];
	typedef long long value;
	value a[N_huge];int len;
	void clear(){len=1;a[len]=0;}
	huge(){clear();}
	huge(value x){*this=x;}
	huge operator =(huge b){
		len=b.len;for (int i=1;i<=len;++i)a[i]=b.a[i]; return *this;
	}
	huge operator +(huge b){
		int L=len>b.len?len:b.len;huge tmp;
		for (int i=1;i<=L+1;++i)tmp.a[i]=0;
		for (int i=1;i<=L;++i){
			if (i>len)tmp.a[i]+=b.a[i];
			else if (i>b.len)tmp.a[i]+=a[i];
			else {
				tmp.a[i]+=a[i]+b.a[i];
				if (tmp.a[i]>=base){
					tmp.a[i]-=base;++tmp.a[i+1];
				}
			}
		}
		if (tmp.a[L+1])tmp.len=L+1;
			else tmp.len=L;
		return tmp;
	}
	huge operator -(huge b){
		int L=len>b.len?len:b.len;huge tmp;
		for (int i=1;i<=L+1;++i)tmp.a[i]=0;
		for (int i=1;i<=L;++i){
			if (i>b.len)b.a[i]=0;
			tmp.a[i]+=a[i]-b.a[i];
			if (tmp.a[i]<0){
				tmp.a[i]+=base;--tmp.a[i+1];
			}
		}
		while (L>1&&!tmp.a[L])--L;
		tmp.len=L;
		return tmp;
	}
	huge operator *(const huge &b){
		int L=len+b.len;huge tmp;
		for (int i=1;i<=L;++i)tmp.a[i]=0;
		register value *Tmp=tmp.a;
		const register value *B=b.a;
		for (register int j=1;j<=b.len;++j)
			for (register int i=1;i<=len;++i)
				Tmp[i+j-1]+=a[i]*B[j];
		tmp.len=len+b.len;
		for (int i=1;i<tmp.len;++i)
			if (tmp.a[i]>=base){
				tmp.a[i+1]+=tmp.a[i]/base;
				tmp.a[i]%=base;
			}
		while (tmp.len>1&&!tmp.a[tmp.len])--tmp.len;
		return tmp;
	}
	pair<huge,huge> divide(huge a,huge b){
		int L=a.len;huge c,d;
		for (int i=L;i;--i){
			c.a[i]=0;d=d*base;d.a[1]=a.a[i];
			int l=0,r=base-1,mid;
			while (l<r){
				mid=(l+r+1)>>1;
				if (b*mid<=d)l=mid;
					else r=mid-1;
			}
			c.a[i]=l;d-=b*l;
		}
		while (L>1&&!c.a[L])--L;c.len=L;
		return make_pair(c,d);
	}
	huge operator /(value x){
		value d=0;huge tmp;
		for (int i=len;i;--i){
			d=d*base+a[i];
			tmp.a[i]=d/x;d%=x;
		}
		tmp.len=len;
		while (tmp.len>1&&!tmp.a[tmp.len])--tmp.len;
		return tmp;
	}
	value operator %(value x){
		value d=0;
		for (int i=len;i;--i)d=(d*base+a[i])%x;
		return d;
	}
	huge operator /(huge b){return divide(*this,b).first;}
	huge operator %(huge b){return divide(*this,b).second;}
	huge &operator +=(huge b){*this=*this+b;return *this;}
	huge &operator -=(huge b){*this=*this-b;return *this;}
	huge &operator *=(huge b){*this=*this*b;return *this;}
	huge &operator ++(){huge T;T=1;*this=*this+T;return *this;}
	huge &operator --(){huge T;T=1;*this=*this-T;return *this;}
	huge operator ++(int){huge T,tmp=*this;T=1;*this=*this+T;return tmp;}
	huge operator --(int){huge T,tmp=*this;T=1;*this=*this-T;return tmp;}
	huge operator +(value x){huge T;T=x;return *this+T;}
	huge operator -(value x){huge T;T=x;return *this-T;}
	huge operator *(value x){huge T;T=x;return *this*T;}
	huge operator *=(value x){*this=*this*x;return *this;}
	huge operator +=(value x){*this=*this+x;return *this;}
	huge operator -=(value x){*this=*this-x;return *this;}
	huge operator /=(value x){*this=*this/x;return *this;}
	huge operator %=(value x){*this=*this%x;return *this;}
	bool operator ==(value x){huge T;T=x;return *this==T;}
	bool operator !=(value x){huge T;T=x;return *this!=T;}
	bool operator <=(value x){huge T;T=x;return *this<=T;}
	bool operator >=(value x){huge T;T=x;return *this>=T;}
	bool operator <(value x){huge T;T=x;return *this<T;}
	bool operator >(value x){huge T;T=x;return *this>T;}
	huge operator =(value x){
		len=0;
		while (x)a[++len]=x%base,x/=base;
		if (!len)a[++len]=0;
		return *this;
	}
	bool operator <(huge b){
		if (len<b.len)return 1;
		if (len>b.len)return 0;
		for (int i=len;i;--i){
			if (a[i]<b.a[i])return 1;
			if (a[i]>b.a[i])return 0;
		}
		return 0;
	}
	bool operator ==(huge b){
		if (len!=b.len)return 0;
		for (int i=len;i;--i)
			if (a[i]!=b.a[i])return 0;
		return 1;
	}
	bool operator !=(huge b){return !(*this==b);}
	bool operator >(huge b){return !(*this<b||*this==b);}
	bool operator <=(huge b){return (*this<b)||(*this==b);}
	bool operator >=(huge b){return (*this>b)||(*this==b);}
	huge str(char s[]){
		int l=strlen(s);value x=0,y=1;len=0;
		for (int i=l-1;i>=0;--i){
			x=x+(s[i]-'0')*y;y*=10;
			if (y==base)a[++len]=x,x=0,y=1;
		}
		if (!len||x)a[++len]=x;
	}
	void read(){
		scanf("%s",s);this->str(s);
	}
	void print(){
		printf("%d",(int)a[len]);
		for (int i=len-1;i;--i){
			for (int j=base/10;j>=10;j/=10){
				if (a[i]<j)printf("0");
					else break;
			}
			printf("%d",(int)a[i]);
		}
		printf("\n");
	}
	int get(){
		int ans = 0;
		for(int i = 1; i <= len; i++)
			for(;a[i];a[i]/=10) ans += a[i]%10;
		return ans;
	}
};char huge::s[N_huge*10];
huge a, ans = 1;
int main(){ int b;
	a.read(); scanf("%d", &b);
	for(;b;b/=2,a=a*a)if(b&1)ans=ans*a;
	printf("%d\n", ans.get());
}